Teaching is a difficult job ______ requires great skill and patience．
#75162
A
which
B
where
C
who
D
why
推荐题目
I wish to thank Professor Smith, without _______help I would never have got this far.
#76856
A
who
B
whom
C
whose
D
which
Is this the reason ______ at the meeting for his carelessness in his work?
#76792
A
What he explained
B
how he explained
C
he explained
D
why he explained
The reason he was absent from class was his mother fell ill this morning.
#76300
A
for; that
B
why; that
C
for; because
D
why; because
Mr. Mike, in ______ supermarket we bought an ipad last week, will give us a report on management this evening.
#77569
A
who
B
which
C
whose
D
whom
Recently some Japanese have been trying to make conflicts with China, ________ attempts we are concerned.
#76084
A
whose
B
with which
C
about which
D
about whose